Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The arrival of December sees a recorded average high-temperature of a still moderately hot 28.7°C (83.7°F), showing little divergence from the previous month's conditions. In the month of December, an average of 23.2°C (73.8°F) marks the low-temperature.Heat index
The heat index in December is calculated to be a hot 34°C (93.2°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.Remember that heat index calculations are made for conditions in the shade with light wind. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Humidity
The average relative humidity in December in Jomboran, Indonesia, is 82%.Rainfall
In Jomboran, in December, during 29.4 rainfall days, 189mm (7.44") of precipitation is typically accumulated. In Jomboran, during the entire year, the rain falls for 294.6 days and collects up to 1749mm (68.86") of precipitation.Daylight
December has the longest days of the year, with an average of 12h and 36min of daylight.On the first day of the month, sunrise is at 05:10 and sunset at 17:42. On the last day of December, in Jomboran, sunrise is at 05:23 and sunset at 17:57 WIB.
Sunshine
December has the least sunshine of the year, with an average of 7.4h of sunshine.UV index
The months with the lowest UV index in Jomboran are January, April through September, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In December, the UV index of 6 transforms into the following advice:
Resist overexposure. Safeguarding from solar damage is indispensable. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
How hot is it in Jomboran in December?
What is the average humidity in December in Jomboran?
How many days does it rain in December in Jomboran?
When are the longest days in Jomboran?
What is the average length of the day in December in Jomboran?
When are sunrise and sunset in December in Jomboran?
What is the month with the least sunshine in Jomboran?
How long on average sun shines in December in Jomboran?
What is the month with the lowest UV index in Jomboran?
What is the UV index reading in December in Jomboran?
Average temperature in December
Jomboran, Indonesia
- Average high temperature in December: 28.7°C
The warmest month (with the highest average high temperature) is October (29.3°C).
The month with the lowest average high temperature is July (27.7°C).
- Average low temperature in December: 23.2°C
The months with the highest average low temperature are January and November (23.3°C).
The coldest month (with the lowest average low temperature) is August (21°C).
Average pressure in December
Jomboran, Indonesia
- Average pressure in December: 1009mbar
The months with the highest atmospheric pressure are August and September (1011.8mbar).
The month with the lowest atmospheric pressure is December (1009mbar).
Average wind speed in December
Jomboran, Indonesia
- Average wind speed in December: 8.5km/h
The windiest month (with the highest average wind speed) is August (11.6km/h).
The calmest month (with the lowest average wind speed) is April (7km/h).
Average humidity in December
Jomboran, Indonesia
- Average humidity in December: 82%
The months with the highest relative humidity are May and June (84%).
The months with the lowest relative humidity are September and October (80%).
Average rainfall in December
Jomboran, Indonesia
- Average rainfall in December: 189mm
The wettest month (with the highest rainfall) is March (236mm).
The driest month (with the least rainfall) is August (29mm).
Average rainfall days in December
Jomboran, Indonesia
- Average rainfall days in December: 29.4 days
The month with the highest number of rainy days is January (30.3 days).
The month with the least rainy days is August (13.8 days).
Average daylight in December /
Average sunshine in December
Jomboran, Indonesia
- Average daylight in December: 12h and 4min
The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 42min).
- Average sunshine in December: 7h and 2min
The month with the most sunshine is February (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).
Average sunshine days in December
Jomboran, Indonesia
- Average sunshine days in December: 0.8 days
The month with the most sunshine days is August (11.1 days).
The months with the least sunshine days are January and February (0.4 days).
Average UV index in December
Jomboran, Indonesia
- Average UV index in December: 6
The months with the highest UV index are February, March and October (UV index 7).
The months with the lowest UV index are January, April, May, June, July, August, September, November and December (UV index 6).
Average cloud cover in December
Jomboran, Indonesia
- Average cloud cover in December: 51
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July and August (Cloud cover 38).
Average visibility in December
Jomboran, Indonesia
- Average visibility in December: 9km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (9km).
Jomboran, Indonesia
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